Table 2.
Comparison of laboratory parameters at admission in patients with COVID‐19 who did and did not develop acute respiratory distress syndrome (ARDS)
| ARDS patients (n = 35; mean ± SD) | Non‐ARDS patients (n = 65; mean ± SD) | p | |
|---|---|---|---|
| Age (year) | 67.9 ± 12.2 | 38.3 ± 15.6 | .001 |
| WBC (/µl) | 8109.1 ± 5749.5 | 6535.3 ± 2070.6 | .05 |
| Lymphocytes (/µl) | 960 ± 467.3 | 1927.6 ± 874.1 | .001 |
| Neutrophils (/µl) | 6411.4 ± 5117.7 | 3951.4 ± 1595.8 | .001 |
| NLR | 9.8 ± 11.9 | 2.4 ± 1.6 | .001 |
| AST (U/L) | 42.9 ± 25.1 | 26.6 ± 12.8 | .001 |
| ALT (U/L) | 34.1 ± 30.6 | 27.9 ± 20.3 | .23 |
| LDH (U/L) | 427.7 ± 186.9 | 234.6 ± 64.5 | .001 |
| GGT (U/L) | 55.2 ± 44.6 | 30.4 ± 19.8 | .001 |
| ALP (U/L) | 90.1 ± 55.1 | 74.5 ± 29.9 | .1 |
| Sodium (mmol/L) | 137.3 ± 4.9 | 139.7 ± 2.9 | .04 |
| Potassium (mmol/L) | 4.1 ± 0.6 | 4.2 ± 0.4 | .4 |
| Creatine (mg/dL) | 1.3 ± 1.4 | 0.9 ± 0.5 | .02 |
| Prothrombin time (s) | 19.1 ± 9.8 | 13.9 ± 2 | .001 |
| CRP (mg/dL) | 132.1 ± 92.4 | 15.9 ± 26.1 | .001 |
| Troponin‐I (ng/dL) | 160.5 ± 460.3 | 8.1 ± 25.7 | .009 |
| PaO2/FiO2 | 228.5 ± 58.8 | 342.6 ± 29.2 | .001 |
| d‐Dimer (ng/ml) | 2401.9 ± 3097.1 | 707.3 ± 1655.2 | .001 |
| Ferritin (ng/ml) | 742.4 ± 1204.9A | 327.5 ± 154.6 | .008 |
Abbreviations: ARDS, acute respiratory distress syndrome; ALP, alkaline phosphatase; ALT, alanine aminotransferase; AST, aspartate aminotransferase; COVID‐19, coronavirus disease 2019; GGT, gamma‐glutamyl transferase; LDH, lactate dehydrogenase; NLR, neutrophil/lymphocyte ratio; SD, standard deviation; WBC, white blood cells.